Seiko Cal. 3848 - 657

The Seiko 3848-657 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-dcd81d463c4c]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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